U.S. House seat for Texas's 15th congressional district. Representatives serve two-year terms.

4 candidates filed, 2 active for the 2026 House election in Texas District 15. Party primary on Mar 3, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Monica De La Cruz R | 57.1% | 223,769 | |
| 2022 | Monica De La Cruz R | 53.3% | 151,889 | |
| 2020 | Vicente Gonzalez D | 50.5% | 228,917 | |
| 2018 | Vicente Gonzalez D | 59.7% | 164,802 | |
| 2016 | Vicente Gonzalez D | 57.3% | 177,479 | |
| 2014 | Ruben Hinojosa D | 54.0% | 90,184 | |
| 2012 | Ruben Hinojosa D | 60.9% | 146,661 | |
| 2010 | Ruben Hinojosa D | 55.7% | 96,080 | |
| 2008 | Ruben Hinojosa D | 65.7% | 163,708 | |
| 2004 | Ruben Hinojosa D | 57.8% | 166,358 | |
| 2002 | Ruben Hinojosa D | 100.0% | 66,311 | |
| 2000 | Ruben Hinojosa D | 89.0% | 119,737 | |
| 1998 | Ruben Hinojosa D | 58.4% | 82,178 | |
| 1996 | Ruben Hinojosa D | 62.3% | 138,594 | |
| 1994 | E De La Garza D | 59.0% | 104,366 |